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[Bug 1653597] Re: libhugetlbfs test suite failed with brk_near_huge test

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Jürg Häfliger <1653597@xxxxxxxxxxxxxxxxxx>
Date: Fri, 18 Apr 2025 11:14:59 -0000
Reply-to: Bug 1653597 <1653597@xxxxxxxxxxxxxxxxxx>
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** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1653597

Title:
  libhugetlbfs test suite failed with brk_near_huge test

Status in ubuntu-kernel-tests:
  Triaged
Status in linux package in Ubuntu:
  Confirmed
Status in linux-azure package in Ubuntu:
  Confirmed

Bug description:
  Kernel: 4.8.0-34.36

  The libhugetlbfs failed with the brk_near_huge test on x86_64(gce)

  12/24 04:59:42 DEBUG| utils:0153| [stdout] truncate_above_4GB (2M: 64): PASS
  12/24 04:59:42 ERROR| utils:0153| [stderr] brk_near_huge: malloc.c:2403: sysmalloc: Assertion `(old_top == initial_top (av) && old_size == 0) || ((unsigned long) (old_size) >= MINSIZE && prev_inuse (old_top) && ((unsigned long) old_end & (pagesize - 1)) == 0)' failed.
  12/24 04:59:42 DEBUG| utils:0153| [stdout] brk_near_huge (2M: 64):
  12/24 04:59:42 DEBUG| utils:0153| [stdout] task-size-overrun (2M: 64): PASS

  Full log: http://pastebin.ubuntu.com/23732201/

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